Apple's intuitive and easy-to-use Macintosh computers make an impression with not only their simplicity and dashing design, but also with the quality components that aid in their superior performance and reliability. The latest 64-bit Mac OS X 10.6 ( Snow Leopard ) maximizes the computer’s potential, entering a new 64-bit era. ADATA presents the Apple Series DDR3 1333MHz ECC-DIMM, created specifically for Apple’s high-end Macintosh computers, the Mac Pro and Xserve, available in 1GB, 2GB and 4GB of capacity. Choosing ADATA Apple Series memory for your Mac memory upgrade is one true worry-free decision. The high-quality and stringently tested Apple Series memory can fully expedite system performance and help unleash the ultimate power of the 64-bit Mac OS X, leading to an incredibly powerful Mac computer.